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Leaf and curd production in cauliflower varieties cold-treated before transplanting

Published online by Cambridge University Press:  27 March 2009

D. C. E. Wurr
Affiliation:
National Vegetable Research Station, Wellesbourne, Warwick, CV35 9EF
Jane R. Fellows
Affiliation:
National Vegetable Research Station, Wellesbourne, Warwick, CV35 9EF
P. Crisp
Affiliation:
National Vegetable Research Station, Wellesbourne, Warwick, CV35 9EF

Summary

Two experiments at Wellesbourne studied the effects of cold treatments on the leaf and curd production characteristics of a range of annual and biennial varieties of cauliflowers.

Cold treatments delayed curd initiation and had a variable effect on the final number of leaves, but reduced the spread of curd initiation of plants which were 5 weeks old when cold-treated. The overall rate of leaf production and the final number of leaves generally increased with later-maturing varieties while initial rates of curd expansion generally declined.

The annual varieties produced a small number of leaves and fairly synchronously formed a curd which developed rapidly; the biennial varieties had a higher rate of leaf production after transplanting and then changed to the generative state over a more prolonged period, following which the curd developed slowly.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1982

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